From 5dd20bbae8a39100e1cf4a7fcc8ecd598c09d992 Mon Sep 17 00:00:00 2001 From: Michel Dänzer Date: Thu, 4 Aug 2016 12:39:40 +0900 Subject: drm/radeon: Set MASTER_UPDATE_MODE to 0 again MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit With the previous change, it's safe to let page flips take effect anytime during a vertical blank period. This can avoid delaying a flip by a frame in some cases where we get to radeon_flip_work_func -> adev->mode_info.funcs->page_flip during a vertical blank period. Acked-by: Christian König Signed-off-by: Michel Dänzer Signed-off-by: Alex Deucher --- drivers/gpu/drm/radeon/evergreen.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers/gpu/drm/radeon/evergreen.c') diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index db275b7ed34a..f95db0c1a17a 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -2878,9 +2878,8 @@ void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *s for (i = 0; i < rdev->num_crtc; i++) { if (save->crtc_enabled[i]) { tmp = RREG32(EVERGREEN_MASTER_UPDATE_MODE + crtc_offsets[i]); - if ((tmp & 0x7) != 3) { + if ((tmp & 0x7) != 0) { tmp &= ~0x7; - tmp |= 0x3; WREG32(EVERGREEN_MASTER_UPDATE_MODE + crtc_offsets[i], tmp); } tmp = RREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i]); -- cgit v1.2.3